formbook | 4863509ff407e4a6389305b5555bc804aa5df9b67290feeb1e36bf68f40696e1

General

Target

Scan SOA.exe
Size

500KB
MD5

e69167de6d19a41819f25de01cd10aef
SHA1

c302c06e1cb00e72013b0671ba0db1a541673289
SHA256

4863509ff407e4a6389305b5555bc804aa5df9b67290feeb1e36bf68f40696e1
SHA512

73ec2711e5c3076fee07a03db0289887946a66d3f6656ece5a12db6ad672424368a6e9b5feb339b97a8cec63bf3869b8062f90335fb58e99a9894ef0afa742e1

Score

10^/10

formbook xloader nmd2 loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.8

Campaign

nmd2

Decoy

FNWENUOMqqSv0Q==

ls6DEbQ1KBCeSsvUyRg=

mwgrjwpFplaykGoT

Uzzj8yXi13iLMnNGZcnViQliwA==

T7vzj0l0lqquyA==

csHzBjwvF7rmjcmWxjThd61NuuVl4gQ=

YaXyTwg3p1vrf/n9kYJQjrc=

cHAfFEI1JKDF4mTsGjDbeg==

TdDv+o9VSFep3wgTtY0swqQ=

Jw66vdyXdRZG9jJZycLD

icGvsuKZgXNid1M=

6m6H0GvguY+vZZpcioudbQ==

kNUBYMuymhgm2b0q3bEAiQliwA==

M3SiAXRbVe0XAsxDOIp6cg==

+eWLk+HjRRe3LuyavQ==

753R3QYD8XOWtWI0ouGpYw==

dRg+bQZ6TSbC8Sbs2mXXxLM=

kDlUsE+U7Y/RfUQ=

oENlcFZVqqSv0Q==

HCC+nbachxEs1f29GjDbeg==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1808-62-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1808-63-0x000000000041F650-mapping.dmp	xloader
behavioral1/memory/1808-65-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1808-73-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1916-76-0x0000000000080000-0x00000000000AC000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\LNUPD = "C:\\Program Files (x86)\\Lshl\\userkptdv418.exe"	wlanext.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wlanext.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Scan SOA.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	Scan SOA.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1500 cmd.exe

pid	process
1500	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Scan SOA.exeScan SOA.exewlanext.exe

description	pid	process	target process
PID 1852 set thread context of 1808	1852	Scan SOA.exe	Scan SOA.exe
PID 1808 set thread context of 1384	1808	Scan SOA.exe	Explorer.EXE
PID 1808 set thread context of 1384	1808	Scan SOA.exe	Explorer.EXE
PID 1916 set thread context of 1384	1916	wlanext.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wlanext.exe

description ioc process

File opened for modification C:\Program Files (x86)\Lshl\userkptdv418.exe wlanext.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Program Files (x86)\Lshl\userkptdv418.exe	wlanext.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

Scan SOA.exewlanext.exe

pid	process
1808	Scan SOA.exe
1808	Scan SOA.exe
1808	Scan SOA.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe
1916	wlanext.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

Scan SOA.exewlanext.exe

pid process

1808 Scan SOA.exe
1808 Scan SOA.exe
1808 Scan SOA.exe
1808 Scan SOA.exe
1916 wlanext.exe
1916 wlanext.exe
1916 wlanext.exe
1916 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Scan SOA.exewlanext.exe

description pid process

Token: SeDebugPrivilege 1808 Scan SOA.exe
Token: SeDebugPrivilege 1916 wlanext.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
1384 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
1384 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1808	Scan SOA.exe
Token: SeDebugPrivilege	1916	wlanext.exe

pid	process
1384	Explorer.EXE
1384	Explorer.EXE

pid	process
1384	Explorer.EXE
1384	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Scan SOA.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 1852 wrote to memory of 1808	1852	Scan SOA.exe	Scan SOA.exe
PID 1852 wrote to memory of 1808	1852	Scan SOA.exe	Scan SOA.exe
PID 1852 wrote to memory of 1808	1852	Scan SOA.exe	Scan SOA.exe
PID 1852 wrote to memory of 1808	1852	Scan SOA.exe	Scan SOA.exe
PID 1852 wrote to memory of 1808	1852	Scan SOA.exe	Scan SOA.exe
PID 1852 wrote to memory of 1808	1852	Scan SOA.exe	Scan SOA.exe
PID 1852 wrote to memory of 1808	1852	Scan SOA.exe	Scan SOA.exe
PID 1384 wrote to memory of 1916	1384	Explorer.EXE	wlanext.exe
PID 1384 wrote to memory of 1916	1384	Explorer.EXE	wlanext.exe
PID 1384 wrote to memory of 1916	1384	Explorer.EXE	wlanext.exe
PID 1384 wrote to memory of 1916	1384	Explorer.EXE	wlanext.exe
PID 1916 wrote to memory of 1500	1916	wlanext.exe	cmd.exe
PID 1916 wrote to memory of 1500	1916	wlanext.exe	cmd.exe
PID 1916 wrote to memory of 1500	1916	wlanext.exe	cmd.exe
PID 1916 wrote to memory of 1500	1916	wlanext.exe	cmd.exe
PID 1916 wrote to memory of 880	1916	wlanext.exe	Firefox.exe
PID 1916 wrote to memory of 880	1916	wlanext.exe	Firefox.exe
PID 1916 wrote to memory of 880	1916	wlanext.exe	Firefox.exe
PID 1916 wrote to memory of 880	1916	wlanext.exe	Firefox.exe
PID 1916 wrote to memory of 880	1916	wlanext.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1384

C:\Users\Admin\AppData\Local\Temp\Scan SOA.exe
"C:\Users\Admin\AppData\Local\Temp\Scan SOA.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1852

C:\Users\Admin\AppData\Local\Temp\Scan SOA.exe
"{path}"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1808

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Scan SOA.exe"
3⤵
- Deletes itself
PID:1500

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:880

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1384-68-0x0000000004AE0000-0x0000000004C3B000-memory.dmp

Filesize
1.4MB

Download
memory/1384-80-0x0000000004C40000-0x0000000004DB2000-memory.dmp

Filesize
1.4MB

Download
memory/1384-79-0x0000000004C40000-0x0000000004DB2000-memory.dmp

Filesize
1.4MB

Download
memory/1384-71-0x0000000003B70000-0x0000000003C46000-memory.dmp

Filesize
856KB

Download
memory/1500-74-0x0000000000000000-mapping.dmp

Download
memory/1808-60-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1808-73-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1808-62-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1808-63-0x000000000041F650-mapping.dmp

Download
memory/1808-65-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1808-66-0x0000000000C70000-0x0000000000F73000-memory.dmp

Filesize
3.0MB

Download
memory/1808-67-0x0000000000190000-0x00000000001A1000-memory.dmp

Filesize
68KB

Download
memory/1808-59-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1808-70-0x00000000003C0000-0x00000000003D1000-memory.dmp

Filesize
68KB

Download
memory/1852-58-0x0000000000AB0000-0x0000000000AE2000-memory.dmp

Filesize
200KB

Download
memory/1852-54-0x0000000000BE0000-0x0000000000C64000-memory.dmp

Filesize
528KB

Download
memory/1852-57-0x0000000006150000-0x00000000061D0000-memory.dmp

Filesize
512KB

Download
memory/1852-56-0x00000000009D0000-0x00000000009DA000-memory.dmp

Filesize
40KB

Download
memory/1852-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1916-72-0x0000000000000000-mapping.dmp

Download
memory/1916-75-0x00000000003F0000-0x0000000000406000-memory.dmp

Filesize
88KB

Download
memory/1916-76-0x0000000000080000-0x00000000000AC000-memory.dmp

Filesize
176KB

Download
memory/1916-77-0x0000000001E70000-0x0000000002173000-memory.dmp

Filesize
3.0MB

Download
memory/1916-78-0x0000000001D10000-0x0000000001DA0000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads